Technical Parameters Category Specification Model NP44 3AW Product Type Miniature Circuit Breaker (MCB) Number of Poles 3 Poles Rated Current (In) 4 A (This is implied by the "4" in NP44. Other ratings like 6A, 10A, etc., are available in the NP44 frame). Breaking Capacity 4.5 kA (4.5kA Icn at 400V AC, conforming to IEC/EN 60898-1) Tripping Characteristic Type A (Instantaneous trip between 2x In and 3x In). Rated Voltage (Ue) 240/415V AC Standards IEC/EN 60898-1, IEC/EN 60947-2 Terminal Connection Suitable for both cable and busbar connection. Mounting Standard 35 mm DIN rail Key Features Overload Protection Yes (provided by the thermal bi-metal strip). Short-Circuit Protection Yes (provided by the electromagnetic solenoid). Isolation Function Yes, provides safe isolation when in the OFF position.